FR881413A - Antenne verticale, destinée en particulier aux systèmes radiogoniométriques, basés sur le principe d'adcock - Google Patents
Antenne verticale, destinée en particulier aux systèmes radiogoniométriques, basés sur le principe d'adcockInfo
- Publication number
- FR881413A FR881413A FR881413DA FR881413A FR 881413 A FR881413 A FR 881413A FR 881413D A FR881413D A FR 881413DA FR 881413 A FR881413 A FR 881413A
- Authority
- FR
- France
- Prior art keywords
- adcock
- principle
- intended
- direction finding
- vertical antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
- H01Q9/14—Length of element or elements adjustable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE881413X | 1941-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR881413A true FR881413A (fr) | 1943-04-23 |
Family
ID=6829773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR881413D Expired FR881413A (fr) | 1941-04-21 | 1942-04-21 | Antenne verticale, destinée en particulier aux systèmes radiogoniométriques, basés sur le principe d'adcock |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE445292A (ko) |
FR (1) | FR881413A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3845489A (en) * | 1970-09-16 | 1974-10-29 | Saint Gobain | Window antenna |
US4970524A (en) * | 1989-02-13 | 1990-11-13 | The United States Of America As Represented By The Secretary Of The Army | Broadband transmission line coupled antenna |
-
0
- BE BE445292D patent/BE445292A/xx unknown
-
1942
- 1942-04-21 FR FR881413D patent/FR881413A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3845489A (en) * | 1970-09-16 | 1974-10-29 | Saint Gobain | Window antenna |
US4970524A (en) * | 1989-02-13 | 1990-11-13 | The United States Of America As Represented By The Secretary Of The Army | Broadband transmission line coupled antenna |
Also Published As
Publication number | Publication date |
---|---|
BE445292A (ko) |
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